US Bridges

Ill 92 over 11th St-Rock Island

Fair

Rock Island County, Illinois · Centennial Frwy R.I. · Structure no. 081990600000000

Built
1962
63 years old, rebuilt 2003
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
3 main spans
Daily traffic
9,150
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 92 over 11th St-Rock Island is a steel stringer/multi-beam or girder carrying Ill 92 over 11th St-Rock Island in Rock Island County, Illinois. It was built in 1962 and reconstructed in 2003, so it is 63 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,150 vehicles a day, roughly 5% of them trucks, projected to reach 8,737 by 2046. The structure is 136 ft (41.5 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIll 92
Crosses11th St-Rock Island
LocationCentennial Frwy R.I.
RouteState Highway 92
CountyRock Island County
StateIllinois
Coordinates41.50943, -90.58532
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length136 ft (41.5 m)
Longest span51 ft (15.5 m)
Deck width67 ft (20.3 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,150 (2023)
Projected traffic8,737 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$639,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ill 92 over 11th St-Rock Island built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2003.

What condition is Ill 92 over 11th St-Rock Island in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Ill 92 over 11th St-Rock Island carry?

About 9,150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 92 over 11th St-Rock Island?

The structure is 136 ft (41.5 m) long with a longest span of 51 ft (15.5 m) and a deck 67 ft wide.

Who owns Ill 92 over 11th St-Rock Island?

It is owned by the State Highway Agency.